Each year, NSAI conducts its highly regarded Oil & Gas Property Evaluation Seminar in Dallas, London, Singapore, and Mexico City for non-technical financial professionals whose work relates to the petroleum industry.
Netherland, Sewell & Associates, Inc.
Worldwide Petroleum Consultants
Reputation. Expertise. Service.
Geological / Geophysical / Engineering
Disciplines & Capabilities
NSAI provides a complete range of geological, geophysical, petrophysical, and engineering services and has the technical experience and ability to perform these services in any of the onshore and offshore oil and gas producing areas of the world.
Based on Public Filing Data
The #1 Choice for SEC Reserves Reporting
An NSAI report honors all the data and industry reserves definitions to give a full and fair inventory of reserves and cash flow. Each report is based on sound judgment, broad experience, technical expertise, and accepted practices.
Our clients expect quality and integrity. We demand it.
A Global Reach
Clients Familiar With Our Work
Netherland, Sewell & Associates, Inc. is one of the most respected names in independent reserves reporting. Our technical staff has successfully completed thousands of challenging assignments for leading petroleum and financial concerns around the globe. Our clients include small privately owned oil and gas companies, major and independent oil and gas companies, national oil and gas companies, financial institutions, and investors. A few of the companies familiar with our work are shown below.